117 lines
2.9 KiB
Nim
117 lines
2.9 KiB
Nim
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import
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../logging, ../constants, ../validation
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type
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Message* = ref object
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# A message for VM computation
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# depth = None
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# code = None
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# codeAddress = None
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# createAddress = None
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# shouldTransferValue = None
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# isStatic = None
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# logger = logging.getLogger("evm.vm.message.Message")
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gas*: Int256
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gasPrice*: Int256
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to*: cstring
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sender*: cstring
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value*: Int256
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data*: cstring
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code*: cstring
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internalOrigin: cstring
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internalCodeAddress: cstring
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depth*: Int256
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internalStorageAddress: cstring
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shouldTransferValue*: bool
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isStatic*: bool
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proc `origin=`*(message: var Message, value: cstring) =
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message.internalOrigin = value
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proc `codeAddress=`*(message: var Message, value: cstring) =
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message.internalCodeAddress = value
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proc `storageAddress=`*(message: var Message, value: cstring) =
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message.internalStorageAddress = value
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proc newMessage*(
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gas: Int256,
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gasPrice: Int256,
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to: cstring,
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sender: cstring,
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value: Int256,
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data: cstring,
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code: cstring,
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origin: cstring = nil,
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depth: Int256 = 0.Int256,
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createAddress: cstring = nil,
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codeAddress: cstring = nil,
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shouldTransferValue: bool = true,
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isStatic: bool = false): Message =
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new(result)
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result.gas = gas
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result.gasPrice = gasPrice
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if to != CREATE_CONTRACT_ADDRESS:
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validateCanonicalAddress(to, title="Message.to")
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result.to = to
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validateCanonicalAddress(sender, title="Message.sender")
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result.sender = sender
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result.value = value
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result.data = data
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if not origin.isNil:
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validateCanonicalAddress(origin, title="Message.origin")
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result.internalOrigin = origin
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validateGte(depth, minimum=0, title="Message.depth")
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result.depth = depth
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result.code = code
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if not createAddress.isNil:
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validateCanonicalAddress(createAddress, title="Message.storage_address")
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result.storageAddress = createAddress
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if not codeAddress.isNil:
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validateCanonicalAddress(codeAddress, title="Message.code_address")
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result.codeAddress = codeAddress
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result.shouldTransferValue = shouldTransferValue
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result.isStatic = isStatic
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proc origin*(message: Message): cstring =
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if not message.internalOrigin.isNil:
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message.internalOrigin
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else:
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message.sender
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proc isOrigin*(message: Message): bool =
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message.sender == message.origin
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proc codeAddress*(message: Message): cstring =
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if not message.internalCodeAddress.isNil:
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message.internalCodeAddress
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else:
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message.to
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proc `storageAddress`*(message: Message): cstring =
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if not message.internalStorageAddress.isNil:
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message.internalStorageAddress
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else:
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message.to
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proc isCreate(message: Message): bool =
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message.to == CREATE_CONTRACT_ADDRESS
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